method and device for by destroying amp; all; rungsfreien pr amp; t.; fung pipes

摘要

theinvention refers to a method and rungsfreien by destroying all, pr & t.; proposalstubes and pipes of ferromagnetischem steel with flux, and thein l & auml; ngsrichtungfortbewegende and optionally zus & auml; tzlichrotating pipe with a steady magnetic field magnetized and the generatedmagnetic flux on hrungslos and professional;in the pipe bertragen and professional;and the oberfl & auml; chennahenthe ow & w; en orinnenoberfl & auml; chethe tube itself.) & auml purposes;magnetic streufl & t.; isecause the rohroberfl & auml; che leakage through sensorsdetected. it is in the vertical directionconsumer & auml; nderndepreferably, the amplitude of the magnetic horizontalfeldkomponentestreuflusses the oberfl & auml; chennahen distance from rohrau & white; enoberfl & auml; che;on the other, in a further away from the distance coveredand the recorded signals related to each other. moreover,the invention relates to a device for carrying and professional; of;procedure.